PERMEABLE PAVERS STORAGE & RETENTION WITH CURB
CONCRETE PAVERS MIN. 3 1/8" (80mm) THICK TYP. ASTM NO. 8 OR NO. 9 AGGREGATE IN OPENINGS CURB / EDGE RESTRAINT WITH CUT-OUTS FOR OVERFLOW DRAINAGE 6“ MINIMUM
BEDDING COURSE 1 1/2" TO 2" (40 TO 50mm) THICK (TYP. ASTM NO. 8 OR NO. 9 AGGREGATE) MIN. 4" (100mm) THICK ASTM NO. 57 STONE OPEN - GRADED BASE MIN 6" (150mm) THICK ASTM NO. 2 STONE SUBBASE IMPERMEABLE LINER ASTM NO. 57 STONE OPEN GRADED PERFORATED PIPE(S) SLOPED TO DRAIN / WITH CUT OFF SOIL SUBGRADE SLOPED TO DRAIN
file: perm pavers-storage retention-w_curb.dwg